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High frequency atrial burst pacing for improved ventricular rate control during atrial arrhythmias

a high-frequency atrial burst and ventricular rate technology, applied in the direction of heart stimulators, electrotherapy, therapy, etc., can solve the problem that persistent atrial arrhythmias may have undesirable effects on the ventricular ra

Inactive Publication Date: 2007-04-03
MEDTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A persistent atrial arrhythmia may have undesirable effects on the ventricular rate.

Method used

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  • High frequency atrial burst pacing for improved ventricular rate control during atrial arrhythmias
  • High frequency atrial burst pacing for improved ventricular rate control during atrial arrhythmias
  • High frequency atrial burst pacing for improved ventricular rate control during atrial arrhythmias

Examples

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Embodiment Construction

[0011]The present invention provides a system and method for controlling ventricular rate during persistent atrial arrhythmias. In one embodiment, the method includes detecting an atrial arrhythmia; delivering programmed arrhythmia therapies; and, if the atrial arrhythmia therapies fail to terminate the arrhythmia and a fast ventricular rate is detected, delivering a selectable number of high frequency burst pacing sequences. If a slowed ventricular rate or an accelerated atrial rate is detected during the high-frequency burst pacing sequences, the burst pacing sequences may be suspended.

[0012]The present invention is realized in an implantable system including a cardiac stimulation device and associated leads equipped with electrodes for sensing the cardiac EGM signal. The device includes sensor interfaces and signal processing circuitry for determining cardiac rate information from the EGM signal. A control unit executes arrhythmia detection methods for detecting atrial arrhythmia...

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Abstract

A method and device for delivering cardiac stimulation that includes a first electrode, positioned within a first chamber of a heart, sensing cardiac signals associated with the first chamber and capable of delivering stimulation to the first chamber, and a second electrode, positioned within a second chamber of the heart, sensing cardiac signals associated with the second chamber and capable of delivering stimulation to the second chamber. A processing unit processes the sensed signals and controls the stimulation delivery via the first electrode and the second electrode, determining whether a predetermined rhythm is detected in the first chamber, and delivering high-frequency burst pacing to the first chamber in response to a predetermined rate being sensed in the second chamber during the predetermined rhythm.

Description

FIELD OF THE INVENTION[0001]The present invention relates generally to implantable cardiac stimulation and monitoring devices and, more specifically, to a device and method for controlling delivery of cardiac stimulation.BACKGROUND OF THE INVENTION[0002]In the past, atrial arrhythmias have been largely undertreated due to the perception that these arrhythmias are relatively benign. As more serious consequences of persistent atrial arrhythmias have come to be understood, such as an associated risk of relatively more serious ventricular arrhythmias and stroke, there is a greater interest in providing implantable atrial or dual chamber cardioverter defibrillators for treating atrial arrhythmias.[0003]Atrial fibrillation (AF) can be treated with relatively high voltage defibrillation shocks, which are generally painful to the patient, or high frequency burst pacing. Atrial flutter (AFL), also referred to herein as atrial tachycardia (AT) can be treated by anti-tachycardia pacing therapi...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A61N1/368A61N1/362
CPCA61N1/3622
Inventor EULER, DAVID E.
Owner MEDTRONIC INC
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